CN210898500U

CN210898500U - 220kV short-circuit protection device

Info

Publication number: CN210898500U
Application number: CN201922065422.8U
Authority: CN
Inventors: 古尚平; 蔡文棋; 程连彦; 龙亮
Original assignee: Zhuhai Electric Power Construction Engineering Co ltd
Current assignee: Zhuhai Electric Power Construction Engineering Co ltd
Priority date: 2019-11-26
Filing date: 2019-11-26
Publication date: 2020-06-30
Anticipated expiration: 2029-11-26

Abstract

The utility model relates to a short-circuit protection technical field just discloses a 220kV short-circuit protection device, including the mounting panel, the surperficial downside fixedly connected with layer board of mounting panel, the upper end of layer board joint in proper order has a plurality of short-circuit protection ware, the fixed frame that has cup jointed in short-circuit protection ware's the outside is located right side a plurality of wedges of the even fixedly connected with in left end of fixed frame are located left the dovetail of a plurality of and wedge accordant connection is seted up on the right side of fixed frame, the upside and the equal fixedly connected with stop gear in the left and right sides of mounting panel. The utility model discloses can realize the quick assembly disassembly to short-circuit protection ware, convenient to operate and use.

Description

220kV short-circuit protection device

Technical Field

The utility model relates to a short-circuit protection technical field especially relates to a 220kV short-circuit protection device.

Background

The relay protection and the automatic device for the safety of the power grid are important guarantees for the reliable, safe and stable operation of the power grid. Whether a newly built substation or a comprehensive automation transformation project, the debugging of relay protection and power grid safety automatic devices occupies a very important position.

Wherein short-circuit protection is the protection of the short-circuit fault that the electric short circuit produced to the conductor of the different potential in the power supply system on electricity, short-circuit protection device (also called short-circuit protection ware) often arranges in circuit system, it is used for when circuit system appears the short circuit, in time cut-off circuit or power, do not receive the damage with other consumer or component, present short-circuit protection ware direct mount is on the working face, need fix with many screws, the not convenient to use person changes and dismantles, and do not have the location coupling mechanism of relatively firm between a plurality of short-circuit protection ware, comparatively inconvenient when making to link together between a plurality of short-circuit protection ware, installation availability factor has been influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the short-circuit protection ware direct mount among the prior art on the working face, need fix with many screws, the not convenient to use person changes and dismantles, and does not have the location coupling mechanism of relatively firm between a plurality of short-circuit protection ware for comparatively inconvenient when linking together between a plurality of short-circuit protection ware, influenced the problem of installation availability factor, and the 220kV short-circuit protection device who proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a220 kV short-circuit protection device comprises a mounting plate, wherein a supporting plate is fixedly connected to the lower side of the surface of the mounting plate, a plurality of short-circuit protectors are sequentially clamped at the upper end of the supporting plate, a fixing frame is fixedly sleeved on the outer side of each short-circuit protector, a plurality of wedge blocks are uniformly and fixedly connected to the left end of the fixing frame on the right side, a plurality of dovetail grooves matched and connected with the wedge blocks are formed in the right side of the fixing frame on the left side, and limiting mechanisms are fixedly connected to the upper side and the left side and the right side of the;

stop gear includes the fixed plate of fixed connection on the installation board surface, a plurality of trepanning and the activity of trepanning are evenly seted up on the surface of fixed plate and are inserted and be equipped with the stripper bar, many the stripper bar is close to the same joint of short circuit protector's one end L shape limiting plate outside short circuit protector, many the same arm-tie of other end fixedly connected with of stripper bar, a plurality of covers of fixedly connected with establish the extrusion spring outside the stripper bar between the lateral wall of fixed plate and the opposite side of L shape limiting plate.

Preferably, the lower end of the fixing frame is uniformly and fixedly connected with a plurality of positioning columns, and the upper end of the supporting plate is provided with positioning grooves correspondingly spliced with the positioning columns.

Preferably, the outer wall of the pulling plate is fixedly connected with a pulling rope.

Preferably, the outer wall of the positioning column is fixedly wrapped with a layer of damping rubber pad.

Preferably, the inner side wall of the L-shaped limiting plate is fixedly connected with a layer of cushion rubber pad.

Compared with the prior art, the utility model provides a 220kV short-circuit protection device possesses following beneficial effect:

1. this 220kV short-circuit protection device, wedge and dovetail through being equipped with, a plurality of short-circuit protection ware that will install pass through the mutual firm connection of matching joint effect of wedge and dovetail, the block effect of rethread reference column and constant head tank makes the firm grafting of a plurality of short-circuit protection ware place on the layer board, extrusion spring extrusion promotes L shape limiting plate this moment, it is spacing to make three L shape limiting plate all carry out effectual centre gripping to short-circuit protection ware's upper end and left and right sides, and when short-circuit protection ware was taken off to needs, through stay cord pulling plate, and then pulling extrusion pole pullback L shape limiting plate can remove the spacing centre gripping to short-circuit protection ware, can realize the quick assembly disassembly to short-circuit protection ware, and convenient for operation and use.

2. This 220kV short-circuit protection device, through damping rubber pad and the cushion rubber pad that is equipped with, damping rubber pad can make the firm grafting of reference column carry on spacing fixedly in the constant head tank, and when loosening the stay cord, L shape limiting plate also can avoid the direct rigid striking of L shape limiting plate to cause the problem of damage to short-circuit protection ware at short-circuit protection ware's lateral wall because of being provided with cushion rubber pad.

And the part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model discloses can realize the quick assembly disassembly to short circuit protector, the operation of being convenient for is used.

Drawings

Fig. 1 is a schematic structural diagram of a 220kV short-circuit protection device provided by the present invention;

fig. 2 is a schematic structural diagram of a part a of a 220kV short-circuit protection device provided by the present invention;

fig. 3 is a schematic structural diagram of a part B of the 220kV short-circuit protection device provided by the present invention.

In the figure: the device comprises a mounting plate 1, a supporting plate 2, a short-circuit protector 3, a fixing frame 4, a wedge block 5, a dovetail groove 6, a limiting mechanism 7, a fixing plate 71, an extrusion rod 72, an L-shaped limiting plate 73, a pulling plate 74, an extrusion spring 75, a positioning column 8 and a positioning groove 9.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-3, a 220kV short-circuit protection device comprises a mounting plate 1, wherein a supporting plate 2 is fixedly connected to the lower side of the surface of the mounting plate 1, a plurality of short-circuit protectors 3 are sequentially clamped at the upper ends of the supporting plate 2, a fixing frame 4 is fixedly sleeved on the outer side of each short-circuit protector 3, a plurality of wedges 5 are uniformly and fixedly connected to the left end of the fixing frame 4 on the right side, a plurality of dovetail grooves 6 matched and connected with the wedges 5 are formed in the right side of the fixing frame 4 on the left side, and limiting mechanisms 7 are fixedly connected to the upper side and the left side;

stop gear 7 includes fixed plate 71 of fixed connection on mounting panel 1 surface, a plurality of trepanning and the activity of trepanning are evenly seted up on the surface of fixed plate 71 and are inserted and be equipped with extrusion stem 72, the same joint of the same L shape limiting plate 73 outside short circuit protector 3 of one end fixedly connected with that many extrusion stem 72 are close to short circuit protector 3, the same arm-tie 74 of the other end fixedly connected with of many extrusion stem 72, a plurality of covers of fixedly connected with establish the extrusion spring 75 outside extrusion stem 72 between the relative one side lateral wall of fixed plate 71 and L shape limiting plate 73.

The lower end of the fixed frame 4 is uniformly and fixedly connected with a plurality of positioning columns 8, and the upper end of the supporting plate 2 is provided with positioning grooves 9 correspondingly spliced with the positioning columns 8.

The outer wall of the pulling plate 74 is fixedly connected with a pulling rope.

The outer wall of reference column 8 is fixed the cladding and is had one deck damping rubber pad.

A layer of cushion rubber pad is fixedly connected to the inner side wall of the L-shaped limit plate 73.

In the utility model, when in use, a plurality of short-circuit protectors 3 to be installed are firmly connected together through the matching clamping action of the wedge 5 and the dovetail groove 6 through the wedge 5 and the dovetail groove 6, and then the short-circuit protectors 3 are firmly inserted and placed on the supporting plate 2 through the clamping action of the positioning column 8 and the positioning groove 9, at the moment, the extrusion spring 75 extrudes and pushes the L-shaped limiting plate 73, so that the three L-shaped limiting plates 73 effectively clamp and limit the upper end and the left and right sides of the short-circuit protector 3, when the short-circuit protector 3 needs to be taken down, the pull plate 74 is pulled through the pull rope, and the extrusion rod 72 is pulled back to the L-shaped limiting plate 73, so that the limit clamping of the short-circuit protector 3 can be removed, the quick assembly and disassembly of the short-circuit protector 3 can be realized, the operation and the use are convenient, and through the damping, damping rubber pad can make the firm grafting of reference column 8 carry on spacing fixedly in constant head tank 9, and when loosening the stay cord, L shape limiting plate 73 also can avoid the direct rigid striking of L shape limiting plate 73 to cause the problem of damage to short circuit protector 3 at short circuit protector 3's lateral wall because of being provided with rubber cushion pad.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The 220kV short-circuit protection device comprises a mounting plate (1) and is characterized in that a supporting plate (2) is fixedly connected to the lower side of the surface of the mounting plate (1), a plurality of short-circuit protectors (3) are sequentially clamped at the upper ends of the supporting plate (2), a fixing frame (4) is fixedly sleeved on the outer side of each short-circuit protector (3), a plurality of wedges (5) are uniformly and fixedly connected to the left end of the fixing frame (4) on the right side, a plurality of dovetail grooves (6) matched and connected with the wedges (5) are formed in the right side of the fixing frame (4) on the left side, and limiting mechanisms (7) are fixedly connected to the upper side and the left side and the right side of the mounting plate;

stop gear (7) are including fixed connection fixed plate (71) on mounting panel (1) surface, a plurality of trepanning and trepanning internalization have evenly been seted up on the surface of fixed plate (71) and have been inserted and be equipped with extrusion stem (72), many extrusion stem (72) are close to the same joint of one end fixedly connected with L shape limiting plate (73) outside short-circuit protection ware (3) of short-circuit protection ware (3), many the same arm-tie (74) of the other end fixedly connected with of extrusion stem (72), a plurality of covers of fixedly connected with are established at extrusion spring (75) outside extrusion stem (72) between fixed plate (71) and L shape limiting plate (73) one side lateral wall in opposite directions.

2. The 220kV short-circuit protection device according to claim 1, wherein a plurality of positioning columns (8) are uniformly and fixedly connected to the lower end of the fixing frame (4), and positioning grooves (9) which are correspondingly inserted into the positioning columns (8) are formed in the upper end of the supporting plate (2).

3. A 220kV short-circuit protection device according to claim 1, wherein a pull rope is fixedly connected to the outer wall of the pull plate (74).

4. The 220kV short-circuit protection device as claimed in claim 2, wherein the outer wall of the positioning column (8) is fixedly wrapped with a damping rubber pad.

5. The 220kV short-circuit protection device according to claim 1, wherein a layer of cushion rubber pad is fixedly connected to the inner side wall of the L-shaped limiting plate (73).